Unlike most clematis clematis x durandii is not a climbing variety making it the perfect clematis for garden borders where it39s delicious indigo blue flowers will emerge amongst other plants the flowers have 6 to 8 narrow twisting sepals and in the centre golden yellow anthers although not climbing it can still be trained up trellis or obelisks using ties it is simple to grow and will bloom between june and september the royal horticultural society has awarded this beautiful plant